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![[Post New]](/templates/default/images/icon_minipost_new.gif) 11 Jan 2008 20:31:55 IST
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the rod and the two masses are moving down with the same acceleration and at any moment have the same velocity
so they exert no forces on each other
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science-
the most fundamental
the most eternal
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this reply: 2 points
(with 0 
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